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        <ExplanationTxt>FOREIGN CURRENCY TRANSLATION - 2020 AMOUNT: $ 135,922. 2022 AMOUNT: $ 222,268.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FOREIGN CURRENCY TRANSLATION</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FOREIGN CURRENCY TRANSLATION</ExplanationTxt>
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        <SpecificServicesProvidedTxt>TRAVEL AND COLLABORATION</SpecificServicesProvidedTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>TOTAL EXPENDITURES IN SOUTH AMERICA = $3,258,447 TOTAL EXPENDITURES IN EUROPE = $830,520 TOTAL EXPENDITURES IN CANADA = $8,448 EXPENDITURES ARE CALCULATED USING THE ACCRUAL METHOD OF ACCOUNTING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S MEMBERS CONSIST OF CORNELL UNIVERSITY, CANADIAN ATACAMA TELESCOPE CONSORTIUM AND UNIVERSITY OF COLOGNE IN GERMANY (ACTING ON BEHALF OF ITSELF AND ON BEHALF OF AND AS AGENT FOR THE GERMAN CONSORTIUM). THE MEMBERS HAVE AUTHORITY TO APPOINT MEMBERS OF THE BOARD OF DIRECTORS BASED UPON CAPITAL FUNDING PERCENTAGES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER THAT COMMITS A CONTRIBUTION BETWEEN 10% AND 20% OF THE CAPITAL FUNDING FOR CCAT-PRIME IS ELIGIBLE TO DESIGNATE ONE DIRECTOR; EACH MEMBER THAT COMMITS BETWEEN 20% AND 30% OF THE CAPITAL FUNDING IS ELIGIBLE TO DESIGNATE TWO DIRECTORS; EACH MEMBERS THAT COMMITS 30% OR MORE OF THE CAPITAL FUNDING IS ELIGIBLE TO DESIGNATE THREE DIRECTORS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>COPIES OF FORM 990 ARE DISTRIBUTED TO AND REVIEWED BY THE BUSINESS MANAGER AND TREASURER PRIOR TO FILING. A COPY OF THE APPROVED RETURN IS DISTRIBUTED TO THE BOARD OF DIRECTORS FOR THEIR INFORMATION."</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS AND OFFICERS EACH RECEIVE A COPY OF THE ORGANIZATION'S WRITTEN CONFLICT OF INTEREST POLICY UPON THEIR APPOINTMENT AND MUST RETURN THE REQUIRED ACKNOWLEDGMENT TO THE CORPORATE SECRETARY WITHIN THREE DAYS OF APPOINTMENT. THESE INDIVIDUALS MUST RECERTIFY ANNUALLY AT THE SPRING BOARD OF DIRECTORS MEETING. IN ADDITION, THE PROJECT DIRECTOR, PROJECT MANAGER/BUSINESS MANAGER, AND PROJECT ENGINEER AT CORNELL UNIVERSITY WORK WITH THE CORNELL UNIVERSITY OFFICE OF RESEARCH INTEGRITY AND ASSURANCE TO ENSURE THAT THEY COMPLY WITH CORNELL UNIVERSITY'S CONFLICT OF INTEREST POLICIES.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 12, PART XII, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION USES THE INCOME TAX BASIS AS ITS PRINCIPAL ACCOUNTING METHOD FOR FINANCIAL STATEMENT PURPOSES.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 12, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR AUDIT OVERSIGHT AND ACCOUNTANT SELECTION HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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